private async void CalculateTotal()
{
var targetCurrency = Model.TotalCurrency;
if (Currency.IsNullOrEmpty(targetCurrency))
{
return;
}
Task <List <Quote> > getQuotesTask = QuoteService.FetchQuotesAsync(targetCurrency, App.Account);
List <Quote> quotes = await getQuotesTask;
if (quotes != null)
{
foreach (Quote quote in quotes)
{
App.QuotesGraph.UpsertQuote(quote);
}
}
decimal totalAmount = 0.0M;
foreach (KeyValuePair <Currency, CurrencyAmount> tuple in App.Account)
{
decimal quoteValue = 0.0M;
if (App.QuotesGraph.GetQuote(tuple.Key, targetCurrency, out quoteValue) != Result.Found)
{
SetMessage(false, "MISSING QUOTE CANT CALCULATE TOTAL");
Model.TotalAmount = 0;
return;
}
totalAmount += tuple.Value.Amount * quoteValue;
}
Model.TotalAmount = totalAmount;
return;
}